Did you know?

Click any word in a definition or example to find the entry for that word


 - definition

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

adjective American English pronunciation: acceptable /əkˈseptəb(ə)l/
  1. 1
    considered by most people to be reasonable or to be something that can be allowed
    socially/politically/morally acceptable:

    Pollution on this level is no longer socially acceptable.

    acceptable to:

    The proposals must be acceptable to the stockholders.

    acceptable for someone to do something:

    By the 1960s, it was becoming more acceptable for women to work in management.

  2. 2
    good enough for a particular purpose or situation

    A success rate of 65% is acceptable.

    1. a.
      good enough but not very good

      The service was attentive, the food acceptable but somewhat uninspiring.

derived words


 American English pronunciation: acceptability /əkˌseptəˈbɪləti/  noun [uncountable]



acceptably low levels of risk

food rave

a very large party where people eat, sell or share many different types of food, usually held outside or in a large public building

BuzzWord Article

Word of the Day

bottom line

the amount of money that a business makes or loses

Open Dictionary

dead white (European) male

a man … whose achievements may have been overestimated because he belonged to the gender and ethnic group … that was dominant at the time

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog